Comprehensive Academic Study Notes: IGCSE ICT Theory and Components (copy)

Objective of the Course

To provide knowledge, understanding, and practical skills for Level 1/Level 2 Information and Communication Technology.

ICT Theory

Covers Chapters 1-10 of the Cambridge IGCSE ICT course material.

Practical Skills

Covers Chapters 11-21 of the Cambridge IGCSE ICT course material.

Required Software

Includes Notepad and Microsoft Office Professional Edition 2013.

Regional Settings Warning

Source files in .csv format may need conversion if regional settings differ.

Hardware Definition

The physical components of a computer system, categorized as external or internal.

Software Definition

Programs that control the computer system, categorized as application or system software.

Application Software

Programs designed for specific tasks like word processing and spreadsheets.

System Software

Software that operates hardware and provides user interfaces.

Compiler

Translates high-level language (HLL) code into machine code.

Operating System (OS)

Background software that manages basic functions of a computer.

Motherboard

Printed circuit board that acts as a hub for the processor and other hardware.

Random Access Memory (RAM)

Volatile memory used for temporary storage of data currently in use.

Read-Only Memory (ROM)

Non-volatile memory that contains permanent configuration data.

Video Card

Component that sends graphical information to display devices.

Central Processing Unit (CPU)

Interprets and executes hardware and software commands.

Command Line Interface (CLI)

Requires users to type specific instructions to interact with the computer.

Graphical User Interface (GUI)

Allows interaction with the computer through pictures and icons.

Personal Computer (PC)

A general-purpose computer with separate components.

Smartphones

Mobile devices running operating systems like iOS and Android.

Artificial Intelligence (AI) Biometrics

Dynamic profiling that learns a person's biometric traits over time.

Quantum Cryptography

Uses quantum properties of photons to create secure encryption.

Digital Cameras

Store images on solid-state cards, typically providing high resolution.

3-D Printers

Use additive manufacturing to create objects layer by layer.

Actuators

Devices that convert computer signals into motion.

Optical Character Recognition (OCR)

Technology that converts different types of documents into editable data.

Light Pen

An input device that detects changes in light on CRT monitors.

Optical Mark Recognition (OMR)

Reads shaded areas on questionnaires or multiple-choice exams.